Genetics

Multiple Choice

A characteristic that is passed from parent to offspring

• inherited trait
• chromosome
• pedigree
• DNA

Multiple Choice

One of the threadlike structures in the nucleus of a cell that contain directions for the cell's activities

• variation
• pedigree
• DNA
• chromosome

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A chart that traces the history of traits in a particular family

• DNA
• pedigree
• chromosome
• variation

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Deoxyribonucleic acid, a long, complex molecule that controls heredity

• inherited trait
• chromosome
• DNA
• pedigree

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The passing of inherited traits from parents to offspring

• acquired traits
• inherited traits
• heredity
• genetics

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Characteristics that are passed down from parents to offspring.

• Manners
• Acquired Traits
• Money
• Inherited Triats

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The study of Heredity

• science
• genetics
• english
• gene

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The hidden form of an inherited trait

• dominant trait
• recessive trait
• purebred
• hybrid

Multiple Choice

Which of the following alleles is homozygous recessive?

• Tt
• tt
• TT
• t

Multiple Choice

T - tall and t = short
In the punnett square below, what belongs in the missing square

• tt
• Tt
• Bb
• TT

Multiple Choice

Which of the following is homozygous dominant?

• Yy
• Y
• yy
• YY

Multiple Choice

A chart that shows all the possible combinations of alleles that can result from a genetic cross

• Gene
• Pedigree
• Punnett Square
• Dominant

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Where can the chromosome be found within the cell?

• mitocondria

• nucleus

• trait
• phenotype

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Heredity is the passing of traits from _____________________ to _____________________

• predators to prey
• water to rain
• parents to offspring
• fungi to protists

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________ is the study of how traits are passed on from generation to generation, or inherited.

• dominant traits
• ratio
• phenotype
• genetics

Multiple Choice

Brown hair is an example of which of the following

• Genotype

• Phenotype

• Neither

Multiple Choice

The physical appearance of a trait is known as the-

• genotype
• phenotype
• characteristics
• intelligence

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The two-letter genetic code of an organism.

• Phenotype
• Genotype
• Physical Appearance
• Intelligence

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The different forms of a gene are called 

• traits
• chromosomes
• alleles
• peas

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What are the possible phenotype(s) of the offspring? (A-Brown hair; a-blond hair)

• 50 % Brown Hair and 50% Blond Hair

• 25 % Brown Hair and 75% Blond Hair

• 75 % Brown Hair and 25% Blond Hair

• 0% Brown Hair and 100% Blond Hair

Multiple Choice

Which genotype below best fits in box 2?

• BB
• Bb
• bb
• bB

Multiple Choice

What is the probability of heterozygous offspring?

• 0%

• 100%

• 50%

• 25%

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The study of how traits are inherited through the interactions of genes.

• Genetics

• Heredity

• Trait

• Allele

Multiple Choice

Which shows the correct complementary base pairing for DNA?

• C-A, T-G
• A-G, C-T
• C-G, U-A
• T-A, G-C

Multiple Choice

What does DNA stand for?

• Deoxyribonucleic acid
• Denitrogenous acid
• Deribonucleic acid
• Diribonucleic acid

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How many chromosomes do human cells have?

• 46

• 23

• 2

• 44

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 Recessive alleles are-

• capital
• lowercase
• both
• neither

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 Dominant alleles are-

• capital
• lowercase
• both
• neither

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The number of human chromosomes is

• 23

• 46

• 92

• 64

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The material that controls which traits are expressed in an organism.

• Gene

• Allele

• Trait

• Genotype

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The passing of traits from parent to offspring.

• Heredity

• Allele

• Trait

• Phenotype

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Ways of looking, thinking, or being that are passed down through the genes from parents to offspring.

• Trait

• Gene

• Recessive Trait

• Dominant Trait

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A trait that is covered over by another form of that trait.

• Recessive Trait

• Dominant Trait

• Allele

• Gene

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A trait that covers over another form of that trait.

• Dominant Trait

• Recessive Trait

• Allele

• Gene

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An organism that has both aleles in the same form: dominant or recessive

• Homozygous

• Heterozygous

• Heredity

• Allele

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An organism that has one dominant allele and one recessive allele.

• Heterozygous

• Homozygous

• Gene

• Trait

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An organism's genetic make up. Usually expressed in letters.

• Genotype

• Phenotype

• Dominate Trait

• Recessive Trait

Multiple Choice

Outward physical appearance and behavior of an organism.

• Genotype

• Phenotype

• Punnett Square

• Genetics

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A tool to predict the probability of certain traits that could be found in the offspring.

• Punnett Square

• Recessive Trait

• Allele

• Heterozygous Allele

Multiple Select

Select all of the following genotypes that are considered Heterozygous.

• AA

• Bb

• zz

• Dd

• Hh

Multiple Select

Select all of the following genotypes that are considered Homozygous.

• AA

• bb

• Hh

• Dd

• zz

Multiple Select

Red flowers (R) are dominant over white flowers (r). Select the genotypes that would produce red flowers.

• RR

• Rr

• rr

• Rw

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Green peas plants (G) are dominant over yellow pea plants (g). What genotype(s) would produce a yellow pea plant?

• GG

• Gg

• gg

• Gy

Multiple Choice

Brown Eyes (B) are dominate to green eyes (b).

What phenotype would be produced by the following genotype.

bb

• brown eyes

• green eyes

• blue eyes

• purple eyes

Multiple Choice

Which of the following is a phenotype?

• BB
• Bb
• bb
• Blue eyes

Multiple Choice

B=brown eyes
b= blue eyes
What is true about two brothers that have brown eyes?
One has genotype BB the other Bb.

• they have same phenotype and genotype
• they have different genotypes and phenotypes
• they have same phenotype but different genotypes
• they have same genotype but different phenotypes

Multiple Choice

Mendel's law of segregation states that during meiosis, the alleles that control each trait separate, and only _________________ from each pair is/are passed to the offspring

• one allele
• the dominant trait
• two alleles
• the recessive trait

Multiple Select

Gregor Mendel conducted many experiments on pea plants and set the foundation for genetics. Select all of the following concepts that Mendel discovered during his studies.

• Mendel determined that some traits were dominant and would cover up other recessive traits.

• Mendel determined that genotypes could be heterozygous or homozygous.

• Mendel determined that one allele was given from each parent plant to its offspring.

• Mendel used Punnett Squares to determine the specific genotype, phenotype, and number of plants for each offspring.